did. but god called him home. >> reporter: he was shirley chambers last surviving child. a big brother, carlos, was shot to death in 1995, at age 18. his little sister, la toya, then 15, and his older brother, jerome, 23, were killed in separate shootings in 2000. at the funeral home, she picked out a casket. >> it was one with the four little doves. like god just sent me -- like this is the one. they all four -- four of them. >> back together again. >> yes, yes. all together again. >> reporter: she wants to see tougher gun laws. >> it's too much. i don't want no mother, no father, nobody to have to go through what i went through. >> reporter: a mother who has lost all her children, now focused on protecting the children of others. john yang, nbc news, chicago. >>> on another front, our weather remains in the news tonight. what we're witnessing is florida-style warm air banging up against winter in the north and it is a violent collision all along that line. the line is so distinct, it's visible from space. and the map shows the damage done. the blue icons here, reports of high winds.